Mercurial > sdl-ios-xcode
view test/testatomic.c @ 4841:740e833b2c00
Fixed overwriting of SDL_shape.c in merge.
author | Eli Gottlieb <eligottlieb@gmail.com> |
---|---|
date | Mon, 09 Aug 2010 20:27:45 -0400 |
parents | 9de326b3099c |
children | 3a95a2b93eb3 |
line wrap: on
line source
#include <stdio.h> #include "SDL.h" /* Make sure we have good macros for printing 32 and 64 bit values */ #ifndef PRIu32 #define PRIu32 "u" #endif #ifndef PRIu64 #ifdef __WIN32__ #define PRIu64 "I64u" #else #define PRIu64 "llu" #endif #endif /* Absolutely basic tests just to see if we get the expected value after calling each function. */ char * tf(SDL_bool tf) { static char *t = "true"; static char *f = "false"; if (tf) { return t; } return f; } int main(int argc, char *argv[]) { volatile Uint32 val32 = 0; Uint32 ret32 = 0; volatile Uint64 val64 = 0; Uint64 ret64 = 0; SDL_SpinLock lock = 0; SDL_bool tfret = SDL_FALSE; printf("\nspin lock---------------------------------------\n\n"); SDL_AtomicLock(&lock); printf("AtomicLock lock=%d\n", lock); SDL_AtomicUnlock(&lock); printf("AtomicUnlock lock=%d\n", lock); printf("\n32 bit -----------------------------------------\n\n"); val32 = 0; tfret = SDL_AtomicTestThenSet32(&val32); printf("TestThenSet32 tfret=%s val=%"PRIu32"\n", tf(tfret), val32); tfret = SDL_AtomicTestThenSet32(&val32); printf("TestThenSet32 tfret=%s val=%"PRIu32"\n", tf(tfret), val32); SDL_AtomicClear32(&val32); printf("Clear32 val=%"PRIu32"\n", val32); ret32 = SDL_AtomicFetchThenIncrement32(&val32); printf("FetchThenIncrement32 ret=%"PRIu32" val=%"PRIu32"\n", ret32, val32); ret32 = SDL_AtomicFetchThenDecrement32(&val32); printf("FetchThenDecrement32 ret=%"PRIu32" val=%"PRIu32"\n", ret32, val32); ret32 = SDL_AtomicFetchThenAdd32(&val32, 10); printf("FetchThenAdd32 ret=%"PRIu32" val=%"PRIu32"\n", ret32, val32); ret32 = SDL_AtomicFetchThenSubtract32(&val32, 10); printf("FetchThenSubtract32 ret=%"PRIu32" val=%"PRIu32"\n", ret32, val32); ret32 = SDL_AtomicIncrementThenFetch32(&val32); printf("IncrementThenFetch32 ret=%"PRIu32" val=%"PRIu32"\n", ret32, val32); ret32 = SDL_AtomicDecrementThenFetch32(&val32); printf("DecrementThenFetch32 ret=%"PRIu32" val=%"PRIu32"\n", ret32, val32); ret32 = SDL_AtomicAddThenFetch32(&val32, 10); printf("AddThenFetch32 ret=%"PRIu32" val=%"PRIu32"\n", ret32, val32); ret32 = SDL_AtomicSubtractThenFetch32(&val32, 10); printf("SubtractThenFetch32 ret=%"PRIu32" val=%"PRIu32"\n", ret32, val32); #ifdef SDL_HAS_64BIT_TYPE printf("\n64 bit -----------------------------------------\n\n"); val64 = 0; tfret = SDL_AtomicTestThenSet64(&val64); printf("TestThenSet64 tfret=%s val=%"PRIu64"\n", tf(tfret), val64); tfret = SDL_AtomicTestThenSet64(&val64); printf("TestThenSet64 tfret=%s val=%"PRIu64"\n", tf(tfret), val64); SDL_AtomicClear64(&val64); printf("Clear64 val=%"PRIu64"\n", val64); ret64 = SDL_AtomicFetchThenIncrement64(&val64); printf("FetchThenIncrement64 ret=%"PRIu64" val=%"PRIu64"\n", ret64, val64); ret64 = SDL_AtomicFetchThenDecrement64(&val64); printf("FetchThenDecrement64 ret=%"PRIu64" val=%"PRIu64"\n", ret64, val64); ret64 = SDL_AtomicFetchThenAdd64(&val64, 10); printf("FetchThenAdd64 ret=%"PRIu64" val=%"PRIu64"\n", ret64, val64); ret64 = SDL_AtomicFetchThenSubtract64(&val64, 10); printf("FetchThenSubtract64 ret=%"PRIu64" val=%"PRIu64"\n", ret64, val64); ret64 = SDL_AtomicIncrementThenFetch64(&val64); printf("IncrementThenFetch64 ret=%"PRIu64" val=%"PRIu64"\n", ret64, val64); ret64 = SDL_AtomicDecrementThenFetch64(&val64); printf("DecrementThenFetch64 ret=%"PRIu64" val=%"PRIu64"\n", ret64, val64); ret64 = SDL_AtomicAddThenFetch64(&val64, 10); printf("AddThenFetch64 ret=%"PRIu64" val=%"PRIu64"\n", ret64, val64); ret64 = SDL_AtomicSubtractThenFetch64(&val64, 10); printf("SubtractThenFetch64 ret=%"PRIu64" val=%"PRIu64"\n", ret64, val64); #endif return 0; }